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Illegal array key type

Reports the array keys that are of illegal type, such as objects or arrays.

See Arrays (php.net) for details.

Inspection options

Here you can find the description of settings available for the Illegal array key type inspection, and the reference of their default values.

PHP 8.0 Severity

Default setting: Error

Other available settings:

  • Warning

  • Weak Warning

  • Server Problem

  • Grammar Error

  • Typo

  • Consideration

  • Information

Inspection Details

By default bundled with:

PhpStorm 2024.1, Qodana for PHP 2024.1,

Can be installed with plugin:

PHP, 241.SNAPSHOT

Last modified: 29 April 2024